Protect your electronics investment without breaking your budget. The Port Authority 2706 Surge Suppressor guards against damaging spikes and surges, providing a secure barrier for your sensitive electrical equipment and precious data. The negative effects of Electro-Magnetic and Radio Frequency Interference (EMI/RFI) are also kept in check by a built-in noise filter. Wall-mountable, impact-resistant ABS plastics keep the unit looking good for years to come.